biosphere Flashcards
organizational level of biosphere?
individual
population
community
eco system
biosphere
what is individual?
A single organisms belongs to a particular species and lives in the environment
what is population?
A group of organisms belong to the same species
in a particular geographical location
during a specific time period
what is community?
a group of different population interact with each other in the particular area
what is eco system?
all the communities and non living component
with which they interact in a particular area
what is biosphere?
the part of the earth and its atmosphere that is inhabited by living things
what is species?
a group of similar organisms who can interbreed naturally to produce fertile off spring
what are 3 components of biosphere?
lithosphere
hydrosphere
atmosphere
what is population density?
the no.of organisms of a species, living in a unit area of a selected habitat
what are the factors that affect population density?
births
deaths
immigration
emigration
what is natural population shape?
s shape
what is the shape of human population?
j shape
what is food webs?
the mutual realtionship among organisms
what is food chain?
the sequence of energy and materials flow from producer to consumers such as primary consumer and then to secondary consumer